Question

A solid substance expands on melting. On
increasing pressure, its melting point.
(1 Point)
increases
remains unchanged
decreases
May increase or decrease​

Answer 1

Answer:

Explanation:

Remains unchanged

Answer 2

Answer:

Since they expand upon melting, an increase in pressure tends to prevent it from melting, therefore raising their melting point. With water, it contracts upon melting, so an increase in pressure is encouraging melting, and so, its melting point decreases.